The prevalence and distribution of Fusarium species in Norwegian cereals: a survey

B. Kosiak, M. Torp, E. Skjerve, Ulf Thrane

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    In the period 1994-1996 a post-harvest survey was conducted in wheat, barley and oats to assess the occurrence and geographic distribution of Fusarium species in Norwegian cereals. The number of samples investigated was adjusted proportionally to the production of each cereal species within the regions. A total of 695 grain samples were analysed. The amount of Fusarium infection varied with cereal species and region of origin. The most frequently isolated Fusarium spp. from all samples were F. avenaceum, F. poae, F. tricinctum and F. culmorum. Other important toxigenic Fusarium spp. were F. graminearum, "powdery F. poae ", F. equiseti and F. sporotrichioides . A north-south gradient was valid for F. tricinctum, F. poae and in 1994 for "powdery F. poae ". In 1994 "powdery F. poae " was the most abundant potential producer of HT-2 and T-2 toxins in Norwegian cereals. Distribution of F. graminearum and F. culmorum demonstrated in this study , corresponded to previously reported DON-distribution, although DON seems to be produced by different species in different regions. Distribution of the isolated Fusarium species and comparison between cereals and locations are discussed.
    Original languageEnglish
    JournalActa agriculturae scandinavica section b-soil and plant science
    Issue number4
    Pages (from-to)168-176
    Publication statusPublished - 2003


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